Table 4.

Univariate analysis for recurrent carotid artery stenosis.

Factor	HR	95% CI	P value
Age, >60	1.05	0.75–1.6	0.631
Sex, male	2.4	1.1–4.5	0.014
Smoking	3.0	1.8–6.7	0.011
Hypertension	2.1	1.02–3.7	0.034
History of stroke	1.1	0.8–1.6	0.145
Hyperlipidemia	3.8	1.6–5.7	0.021
Diabetes mellitus	1.9	1.02–2.8	0.032
Peripheral vascular disease	1.5	1.08–1.9	0.041
Contralateral carotid disease	1.06	0.8–1.5	0.221